Immunohistochemistry CK-5/6 Test
Short Name: IHC CK-5/6 Test
Also known as: Cytokeratin 5/6 Immunohistochemistry, CK-5/6 Stain
Immunohistochemistry CK-5/6 Test test available at DNA Labs India for ₹3,000. Uses Immunohistochemistry on Tumor tissue in 10% Formal-saline or Formalin fixed paraffin embedded block samples. Results in Reports available in 5 to 7 days depending on sample type.. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr Pasupathy Arumugam
Consultant Pathologist · Reg: 21521
Last reviewed: September 7, 2026
Overview
To identify CK-5/6 expression in tumors for diagnosis and differentiation of cancer types, such as squamous, urothelial, and myoepithelial carcinomas, and to distinguish mesotheliomas from adenocarcinomas.
- Test Code
- 931
- Price
- ₹3,000
- Sample Type
- Tumor tissue in 10% Formal-saline or Formalin fixed paraffin embedded block
- Result Time
- Reports available in 5 to 7 days depending on sample type.
- Fasting Required
- No
- Method
- Immunohistochemistry
Sample Collection
Provide a copy of the histopathology report, site of biopsy, and clinical history.
Method: Biopsy
Laboratory Analysis
Tissue biopsy performed by healthcare professional.
Report Delivery
Ship sample at room temperature.
Timeline: Reports available in 5 to 7 days depending on sample type.
Patient Instructions
About This Test
Who Should Get This Test
To identify CK-5/6 expression in tumors for diagnosis and differentiation of cancer types, such as squamous, urothelial, and myoepithelial carcinomas, and to distinguish mesotheliomas from adenocarcinomas.
How to Prepare
- Submit tumor tissue in 10% Formal-saline OR Formalin fixed paraffin embedded block.
- Ship at room temperature.
- Provide a copy of the Histopathology report, Site of biopsy and Clinical history.
Doctor's Notes
Reviewed by Dr Pasupathy Arumugam — MBBS, MD (Pathology) · Reg. No. 21521
"The IHC CK-5/6 test is essential for accurate subtyping of cancers, particularly in differentiating mesotheliomas from adenocarcinomas, guiding targeted treatment plans."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Improperly fixed sample
- Insufficient tissue
- Missing clinical information
Understanding Your Results
If experiencing symptoms like unexplained weight loss, fatigue, or persistent pain, or for ongoing cancer diagnosis and management.
Limitations
- ⚠Not definitive alone; requires correlation with histopathology and clinical data
- ⚠May have false negatives or positives based on sample quality
Risks & Considerations
- ●Biopsy-related risks such as infection or bleeding, but minimal
Interfering Factors
- ●Poor sample fixation
- ●Insufficient tissue
- ●Technical errors in staining
Compare With Similar Tests
| Test | Immunohistochemistry CK-5/6 Test | Immunohistochemistry CK-7 Test | Immunohistochemistry p63 Test | Biopsy Analysis |
|---|---|---|---|---|
| Comparison | Immunohistochemistry CK-5/6 Test |
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